Is Point Reyes Station, CA tap water safe?
The short answer
Neither of the 2 utilities serving Point Reyes Station has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
North Marin Water District, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 5.0 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from North Marin Water District is moderately hard, typically 111 mg/L (6.5 grains per gallon). How California’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Point Reyes Station’s ZIP codes, from EPA’s estimates.
- Open report
North Marin Water District
California · serves 61,691 people · about 130 in Point Reyes Station
1 result above the health goal. The worst: Arsenic at 5.0 ppb, above the health goal. Hardness: moderately hard, typically 111 mg/L (6.5 grains per gallon).
No health-based violations since 2016
- Open report
North Marin WD - Pt. Reyes
California · serves 1,841 people · under 100 in Point Reyes Station
2 results above the health goal. The worst: Arsenic at 5.0 ppb, above the health goal. Hardness: moderately hard to very hard depending on the source, 100 to 365 mg/L (5.8 to 21.3 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in North Marin Water District’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Point Reyes Station
The 3 labs California certifies closest to Point Reyes Station, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Alpha Analytical Laboratories Inc. - North Bay
Petaluma, CA · about 19 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, PFAS
Cel Analytical, Inc.
San Francisco, CA · about 28 miles
Certified for bacteria, minerals and other inorganics
Brelje and Race Laboratories, Inc.
Santa Rosa, CA · about 29 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
ZIP codes in Point Reyes Station
Which ZIP codes are in Point Reyes Station: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Point Reyes Station
Other towns in Marin County with a page of their own.
What to do next
- Read North Marin Water District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water